Whenever a Samurai or Warrior you control attacks alone, you may pay
. When you do, attach Ancestral Katana to it.
Equipped creature gets +2/+2 and has "This creature has
first strike (This creature deals combat damage before creatures without first strike.) as long as it's attacking".
Equip (: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)